NF EN ISO 22674
Dentistry - Metallic materials for fixed and removable restorations and appliances
ISO 22674:2006 classifies metallic materials that are suitable for the fabrication of dental appliances and restorations, including metallic materials recommended for use either with or without a ceramic veneer, or recommended for both uses, and specifies their requirements. It further specifies requirements with respect to packaging and marking the products and to the instructions to be supplied for the use of these materials.
ISO 22674:2006 classifies metallic materials that are suitable for the fabrication of dental appliances and restorations, including metallic materials recommended for use either with or without a ceramic veneer, or recommended for both uses, and specifies their requirements. It further specifies requirements with respect to packaging and marking the products and to the instructions to be supplied for the use of these materials.
ISO 1562:2004 gives the classification of, and specifies requirements for dental casting gold alloys with at least 60 % mass fraction of gold and at least 75 % mass fraction of gold plus specified platinum group metals (platinum, palladium, iridium, ruthenium and rhodium). Test methods are given for providing information on corrosion resistance, tarnishing resistance and electrochemical behaviour. ISO 1562:2004 is applicable to casting alloys suitable for the fabrication of dental restorations and appliances without ceramic veneer.
La présente Norme internationale établit la classification et fixe les exigences et les méthodes d'essai des alliages dentaires à couler dont la teneur en métaux précieux est supérieure à 25 % (fraction massique), mais strictement inférieure à 75 % (fraction massique). Elle est applicable aux alliages dentaires à couler adaptés à la fabrication des restaurations et appareils dentaires. NOTE 1: Dans le cas des alliages dentaires à couler dont la teneur en métaux précieux est supérieure ou égale à 75 %, voir l'ISO 1562. NOTE 2: Pour les alliages dentaires destinés à servir d'infrastructure aux systèmes pour restaurations dentaires métallocéramiques, voir l'ISO 9693.
ISO 16744:2003 gives the classification of, and specifies requirements and test methods for metallic materials with a base metal as the main constituent. It applies to base metal materials suitable for use in fabrication of fixed dental restorations. ISO 16744:2003 is not applicable to base metal materials intended for use in the fabrication of removable appliances, for which ISO 6871-2 and ISO 6871-2 apply.
ISO 22674:2016 classifies metallic materials that are suitable for the fabrication of dental restorations and appliances, including metallic materials recommended for use either with or without a ceramic veneer, or recommended for both uses, and specifies their requirements. Furthermore, it specifies requirements with respect to packaging and marking the products and to the instructions to be supplied for the use of these materials, including products delivered for sale to a third party. ISO 22674:2016 does not apply to alloys for dental amalgam (ISO 24234), dental brazing materials (ISO 9333), or metallic materials for orthodontic appliances (ISO 15841) (e.g. wires, brackets, bands and screws).
- Avant-proposiv
- Introductionv
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1 Domaine d'application1
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2 Références normatives1
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3 Termes et définitions1
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4 Classification3
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5 Exigences4
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5.1 Composition chimique4
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5.2 Éléments dangereux4
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5.3 Biocompatibilité4
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5.4 Propriétés mécaniques5
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5.5 Masse volumique8
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5.6 Résistance à la corrosion pour l'intégrité du matériau8
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5.7 Résistance au ternissement8
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5.8 Températures du solidus et du liquidus (pour alliage) ou point de fusion (pour métal commercialement pur)8
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5.9 Coefficient de dilatation thermique9
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5.10 Informations, instructions et marquage9
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6 Échantillonnage9
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7 Préparation des éprouvettes9
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7.1 Généralités9
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7.2 Traitement thermique9
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7.3 Éprouvettes10
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8 Méthodes d'essai12
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8.1 Informations, instructions et marquage12
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8.2 Composition chimique12
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8.3 Propriétés mécaniques13
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8.4 Masse volumique15
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8.5 Résistance à la corrosion15
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8.6 Résistance au ternissement (essai au sulfure de sodium)16
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8.7 Températures du solidus et du liquidus (alliage) ou point de fusion (métal commercialement pur)17
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8.8 Dilatation thermique linéaire17
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9 Informations et instructions d'utilisation18
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9.1 Informations18
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9.2 Instructions de traitement19
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10 Marquage et étiquetage19
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10.1 Marquage19
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10.2 Étiquetage sur l'emballage19
- Annexe A (informative) Essai de traction d'un matériau métallique de Type 0 non coulé, destiné à être utilisé avec une épaisseur comprise entre 0,1 mm et 0,5 mm20
- Bibliographie23
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